Bob!Would you please ask all your classmates___ before Miss Li_
问题描述：
Bob!Would you please ask all your classmates___ before Miss Li_
---Bob!Would you please ask all your classmates_______ before Miss Li_______ back?
---OK.I’ll take them right away.
A.not to leave; will come
B.not to leave; comes
C.don’t leave; comes
D.don’t leave;will come
为什么don’t leave和will come
答
选B为什么不用don’t leave和will comeask sb to do sth
ask sb 后不能加从句
这里的before sb comes....表示将来时，就是这么用的，记住就好
望采纳，不懂再问。。